Technical Data for ELKA Precision's 100,000RPM maximum speed hydrostatic internal grinding spindle with coolant supplied through the shaft:

• Speed Range:
  10,000 - 100,000 RPMs
• Built-In Permanent Magnets Motor
• Maximal continuous power:
  3 kW
• Feedback: No
• Cartridge Type Spindle with Flange Clamping; Cartridge Diameter:
  80 mm
• Tool Clamping Interface:
  UVA Taper
• Oil Viscosity @ 40 Degrees C (CASTROL HONILO 980):
  4.5 cst
• Supply Pressure:
  60 Bars
• Radial Error Motion at all Speeds:
  <0.06 micrometers
• Axial Error Motion at all Speeds:
  <0.10 micrometers
• Friction Power Losses @ Maximal Speed:
  1,600 Wt
• Total Flow Rate:
  2.5 liters/min
• Pumping Power:
  250 Wt
• Total Maximal Heat Generation to be Compensated:
  2,200 kcal/hour
• Axial Stiffness at the Shaft Centerline:
  19 N/micrometer
• Axial Load Capacity at the Shaft Centerline:
  230 N
• Radial Stiffness at the Shaft Front Flange:
  11 N/micrometer
• Radial Load Capacity
  at the Shaft Front Flange:
  170 N
• Power Dissipation in Stator
  Windings at Maximal Load:
  310 Wt
• Cartridge Diameter :
  80 mm
• Housing Length:
  <200 mm

Contact ELKA Precision today for more information on our 100,000 RPM hydrostatic spindle, or your custom hydrostatic needs.

100,000 RPM Hydrostatic Internal Grinding Spindle
with Coolant Supply Through the Shaft, 80mm Cartridge
model # ELP 100/3-IG (CS)

Accuracy & Reliability
ELKA Precision hydrostatic spindles have proven to provide extremely precise internal grinding capabilities, and will maintain grinding excellence even in the toughest situations. Our spindles are currently used throughout the world for a variety of precision applications, and can be custom-fitted to suit your exact specifications. With precise rotational accuracy and lasting vibration resistance, our 100,000 RPM spindle, which features oil supply through shaft, has tested accurate, is proven to be dependable and is ready to provide you with unmatched grinding efficiency and quality.

100,000 RPM Hydrostatic Grinding Spindle with Coolant Supply Through
the Shaft, Cartridge Diameter 80mm. Dynamic Response at the Shaft Front Flange (Series 1) and at Air Sealing (Series 2) to 100 N Force Applied to the Shaft Front End

100,000 RPM Hydrostatic Grinding Spindle CAD Diagrams

ELKA’s Precision offers a wide range of hydrostatic work head grinding spindles, milling spindles and internal grinding spindles. Please contact us for more information on our 100,000 RPM internal grinding spindle, or for any of your hydrostatic grinding needs.